NVIDIA GeForce RTX 5080 Mobile vs NVIDIA T1000 8 GB Comparison

The NVIDIA GeForce RTX 5080 Mobile and NVIDIA T1000 8 GB are GPUs from different eras and market segments, and the benchmark data reflects a decisive generational gap. The RTX 5080 Mobile wins the only shared benchmark by a massive 391.2% margin, but the T1000 remains a distinct, lower-power professional option. The data shows that these are not direct competitors; instead, they serve opposite ends of the mobile graphics spectrum in terms of performance, architecture, and physical design.

Where Each One Wins

The RTX 5080 Mobile is the clear performance victor in the single head-to-head test available. In the Geekbench Vulkan benchmark, the RTX 5080 Mobile scores 169,754, while the T1000 8 GB scores 34,561. This represents a 391.2% advantage for the RTX 5080 Mobile, indicating that it delivers roughly five times the raw compute performance in this API workload. This is not a marginal lead; it is a category-level difference that places the RTX 5080 Mobile in an entirely different performance tier.

The T1000 8 GB wins by default in areas where the RTX 5080 Mobile has no comparable data points. Specifically, the T1000 has a defined physical footprint with a length of 156 mm (6.1 inches) and a height of 69 mm (2.7 inches), making it a single-slot card. The RTX 5080 Mobile is listed as "IGP" (integrated graphics processor) with dimensions marked as null, indicating it is designed to be soldered onto a motherboard rather than installed as a discrete card. The T1000 also specifies a suggested PSU of 250 W, while the RTX 5080 Mobile has no such requirement. For systems requiring a standalone, serviceable graphics card, the T1000 is the only option that fits that physical profile.

The RTX 5080 Mobile also wins on sheer feature set and future-proofing, as it supports DirectX 12 Ultimate (12_2), while the T1000 is limited to DirectX 12 (12_1). This means the RTX 5080 Mobile is equipped for the latest graphics API features, whereas the T1000 is a generation behind in this regard.

Architecture Differences

The architectural divide between these two GPUs is stark. The RTX 5080 Mobile is built on the Blackwell 2.0 architecture using a 5 nm process at TSMC, featuring the GB203 chip. In contrast, the T1000 8 GB uses the older Turing architecture on a 12 nm process with the TU117 chip. The transistor counts confirm the scale difference: the RTX 5080 Mobile packs 45,600 million transistors on a 378 mm² die, yielding a density of 120.6M / mm², while the T1000 has just 4,700 million transistors on a 200 mm² die with a density of 23.5M / mm². The RTX 5080 Mobile is not just faster; it is an order of magnitude more complex.

The core configurations are equally divergent. The RTX 5080 Mobile features 7,680 shading units, 240 texture mapping units (TMUs), 96 raster output units (ROPs), 60 ray tracing cores, and 240 tensor cores. The T1000 has 896 shading units, 56 TMUs, and 32 ROPs, with no ray tracing or tensor cores listed. This means the RTX 5080 Mobile has 8.5 times the shading units and 3 times the ROPs of the T1000. The RTX 5080 Mobile also supports FP16 at a 1:1 ratio with FP32 (23.04 TFLOPS for both), while the T1000 offers FP16 at 5.000 TFLOPS with a 2:1 ratio, indicating a different compute strategy.

Memory architecture reinforces this gap. The RTX 5080 Mobile uses 16 GB of GDDR7 memory on a 256-bit bus, delivering 896.0 GB/s of bandwidth. The T1000 uses 8 GB of GDDR6 memory on a 128-bit bus, with 160.0 GB/s bandwidth. The RTX 5080 Mobile has 5.6 times the memory bandwidth, which is critical for high-resolution textures and compute workloads. The T1000's memory clock is 1250 MHz (10 Gbps effective), while the RTX 5080 Mobile's memory runs at 1750 MHz (28 Gbps effective). The T1000 also relies on PCIe 3.0 x16, whereas the RTX 5080 Mobile uses the newer PCIe 5.0 x16 interface.

The Verdict

The data is unambiguous: the NVIDIA GeForce RTX 5080 Mobile is the superior GPU for any performance-intensive task. Its Vulkan score of 169,754 versus the T1000's 34,561, combined with its 16 GB GDDR7 memory and 60 ray tracing cores, makes it the only choice for modern gaming, content creation, or AI workloads. The RTX 5080 Mobile's 81st percentile ranking among all GPUs, compared to the T1000's 79th percentile, further confirms its higher standing. The average benchmark score for the RTX 5080 Mobile is 38,349, while the T1000's is 34,561.

However, the T1000 8 GB has a specific role. It is a 50 W, single-slot, end-of-life card with 4x mini-DisplayPort 1.4a outputs, designed for compact workstations that need a dedicated GPU without the power budget or physical space for a high-end part. Its 250 W suggested PSU requirement and 156 mm length make it a practical drop-in replacement for legacy systems. The T1000 also has a higher base clock (1065 MHz) than the RTX 5080 Mobile (975 MHz), though the RTX 5080 Mobile's boost clock of 1500 MHz exceeds the T1000's 1395 MHz. For users with a pre-existing Turing-era platform or those needing a low-profile card, the T1000 is the viable option, but it is not a performance alternative.

FAQ

Q: How much faster is the RTX 5080 Mobile than the T1000 in Vulkan?

A: The RTX 5080 Mobile scores 169,754 in Geekbench Vulkan, which is 391.2% higher than the T1000's 34,561.

Q: Does the T1000 support ray tracing?

A: No, the T1000 has no ray tracing cores listed in its specifications, while the RTX 5080 Mobile has 60.

Q: Which GPU has more memory bandwidth?

A: The RTX 5080 Mobile has 896.0 GB/s of bandwidth from 16 GB of GDDR7 on a 256-bit bus, compared to the T1000's 160.0 GB/s from 8 GB of GDDR6 on a 128-bit bus.

Q: What is the process node difference?

A: The RTX 5080 Mobile uses a 5 nm process at TSMC, while the T1000 uses a 12 nm process, also at TSMC.

Q: Is the T1000 still in production?

A: No, the T1000 is listed as "End-of-life," whereas the RTX 5080 Mobile is "Active."

Q: What is the power draw of each card?

A: The RTX 5080 Mobile has a TDP of 80 W, and the T1000 has a TDP of 50 W. The T1000 also lists a suggested PSU of 250 W, while the RTX 5080 Mobile does not list one.

Head-to-Head Benchmarks

The only common benchmark between the two GPUs is the Geekbench Vulkan test, and the results are lopsided. The RTX 5080 Mobile achieves a score of 169,754, while the T1000 manages 34,561. This yields a delta percentage of 391.2%, meaning the RTX 5080 Mobile is nearly five times faster. This is the single most important data point for comparing these two, and it aligns with the broader specification sheets.

Looking at the RTX 5080 Mobile's other benchmark scores, it shows consistent strength: 3DMark Steel Nomad DX12 at 4,952, Geekbench OpenCL at 166,986, and Passmark G3D at 27,711. Its Passmark G2D score is 1,095, and its compute score is 12,134. The T1000 has no comparable scores in these tests, but its lone Vulkan score places it far below the RTX 5080 Mobile's average benchmark score of 38,349. The RTX 5080 Mobile's nearest rivals include the NVIDIA GeForce MX570 (delta of 0.1%), RTX 4080 Mobile (0.6%), and AMD Radeon Pro 580X (-0.9%), showing it sits in a crowded performance band. The T1000's nearest rivals are the AMD Radeon HD 7970 (0.1%), NVIDIA A2 (-0.4%), and NVIDIA TITAN V (0.6%), indicating it competes with older or lower-tier hardware.

Specification Differences

The most pronounced specification differences are in core counts and memory. The RTX 5080 Mobile has 7,680 shading units versus the T1000's 896, 240 TMUs versus 56, and 96 ROPs versus 32. The RTX 5080 Mobile also adds 60 RT cores and 240 tensor cores, which the T1000 lacks entirely. In terms of raw fill rates, the RTX 5080 Mobile achieves 144.0 GPixel/s and 360.0 GTexel/s, while the T1000 manages 44.64 GPixel/s and 78.12 GTexel/s. The FP32 compute is 23.04 TFLOPS on the RTX 5080 Mobile versus 2.500 TFLOPS on the T1000.

Memory is another clear separator: the RTX 5080 Mobile has 16 GB of GDDR7, while the T1000 has 8 GB of GDDR6. The bus widths are 256-bit versus 128-bit, and the bandwidth is 896.0 GB/s versus 160.0 GB/s. The clocks differ as well: the RTX 5080 Mobile runs at 975 MHz base and 1500 MHz boost, while the T1000 runs at 1065 MHz base and 1395 MHz boost. The RTX 5080 Mobile uses PCIe 5.0 x16, and the T1000 uses PCIe 3.0 x16. Power consumption is 80 W for the RTX 5080 Mobile and 50 W for the T1000. The T1000 has a physical single-slot design with dimensions of 156 mm by 69 mm, while the RTX 5080 Mobile is an IGP with no listed dimensions. The T1000 supports 4x mini-DisplayPort 1.4a, while the RTX 5080 Mobile's display outputs are "Portable Device Dependent." Finally, the RTX 5080 Mobile supports DirectX 12 Ultimate, while the T1000 supports DirectX 12 (12_1).